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java poi通过模板生成word文档

2017-06-02 17:13 701 查看
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里面说到使用模板的方式生成word文档,但是给出的代码并没有起效,这里我稍作了修改,这个是word文档模板方法操作工具类:

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package util;  
  
import org.apache.poi.xwpf.usermodel.*;  
import org.junit.Test;  
  
import java.io.*;  
import java.util.HashMap;  
import java.util.Iterator;  
import java.util.List;  
import java.util.Map;  
import java.util.regex.Matcher;  
import java.util.regex.Pattern;  
  
public class XwpfTUtil {  
  
    /*String filePath = "/sta.docx"; 
    InputStream is; 
    XWPFDocument doc; 
    Map<String, Object> params = new HashMap<String, Object>(); 
 
    { 
        params.put("${name}", "xxx"); 
        params.put("${sex}", "男"); 
        params.put("${political}", "共青团员"); 
        params.put("${place}", "sssss"); 
        params.put("${classes}", "3102"); 
        params.put("${id}", "213123123"); 
        params.put("${qq}", "213123"); 
        params.put("${tel}", "312313213"); 
        params.put("${oldJob}", "sadasd"); 
        
4000
params.put("${swap}", "是"); 
        params.put("${first}", "asdasd"); 
        params.put("${second}", "综合事务部"); 
        params.put("${award}", "asda"); 
        params.put("${achievement}", "完成科协网站的开发"); 
        params.put("${advice}", "没有建议"); 
        params.put("${attach}", "无"); 
 
        try { 
            is = new FileInputStream(filePath); 
            doc = new XWPFDocument(is); 
        } catch (FileNotFoundException e) { 
            e.printStackTrace(); 
        } catch (IOException e) { 
            e.printStackTrace(); 
        } 
 
    }*/  
  
  
    /** 
     * 用一个docx文档作为模板,然后替换其中的内容,再写入目标文档中。 
     * 
     * @throws Exception 
     */  
    /*@Test 
    public void testTemplateWrite() throws Exception { 
        //替换段落里面的变量 
        this.replaceInPara(doc, params); 
        //替换表格里面的变量 
        this.replaceInTable(doc, params); 
        OutputStream os = new FileOutputStream("D:\\sta1.docx"); 
        doc.write(os); 
        this.close(os); 
        this.close(is); 
    }*/  
  
    /*@Test 
    public void myTest1() throws Exception { 
        *//*Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator(); 
        XWPFParagraph para; 
        while (iterator.hasNext()) { 
            para = iterator.next(); 
            List<XWPFRun> runs = para.getRuns(); 
            para.removeRun(0); 
            para.insertNewRun(0).setText("hello"); 
        } 
 
        OutputStream os = new FileOutputStream("D:\\sta1.docx"); 
        doc.write(os); 
        this.close(os); 
        this.close(is);*//* 
 
        System.out.println(this.matcher("报告日期:${reportDate}").find()); 
 
    }*/  
  
    /*@Test 
    public void myReplaceInPara() { 
//        Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator(); 
//        XWPFParagraph para; 
//        while (iterator.hasNext()) { 
//            para = iterator.next(); 
//            List<XWPFRun> runs = para.getRuns(); 
// 
// 
//        } 
 
        System.out.println('{'=='{'); 
 
    }*/  
  
    /** 
     * 替换段落里面的变量 
     * 
     * @param doc    要替换的文档 
     * @param params 参数 
     */  
    public void replaceInPara(XWPFDocument doc, Map<String, Object> params) {  
        Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator();  
        XWPFParagraph para;  
        while (iterator.hasNext()) {  
            para = iterator.next();  
            this.replaceInPara(para, params);  
        }  
    }  
  
    /** 
     * 替换段落里面的变量 
     * 
     * @param para   要替换的段落 
     * @param params 参数 
     */  
    public void replaceInPara(XWPFParagraph para, Map<String, Object> params) {  
        List<XWPFRun> runs;  
        Matcher matcher;  
        if (this.matcher(para.getParagraphText()).find()) {  
            runs = para.getRuns();  
  
            int start = -1;  
            int end = -1;  
            String str = "";  
            for (int i = 0; i < runs.size(); i++) {  
                XWPFRun run = runs.get(i);  
                String runText = run.toString();  
                System.out.println("------>>>>>>>>>" + runText);  
                if ('$' == runText.charAt(0)&&'{' == runText.charAt(1)) {  
                    start = i;  
                }  
                if ((start != -1)) {  
                    str += runText;  
                }  
                if ('}' == runText.charAt(runText.length() - 1)) {  
                    if (start != -1) {  
                        end = i;  
                        break;  
                    }  
                }  
            }  
            System.out.println("start--->"+start);  
            System.out.println("end--->"+end);  
  
            System.out.println("str---->>>" + str);  
  
            for (int i = start; i <= end; i++) {  
                para.removeRun(i);  
                i--;  
                end--;  
                System.out.println("remove i="+i);  
            }  
  
            for (String key : params.keySet()) {  
                if (str.equals(key)) {  
                    para.createRun().setText((String) params.get(key));  
                    break;  
                }  
            }  
  
  
        }  
    }  
  
    /** 
     * 替换表格里面的变量 
     * 
     * @param doc    要替换的文档 
     * @param params 参数 
     */  
    public void replaceInTable(XWPFDocument doc, Map<String, Object> params) {  
        Iterator<XWPFTable> iterator = doc.getTablesIterator();  
        XWPFTable table;  
        List<XWPFTableRow> rows;  
        List<XWPFTableCell> cells;  
        List<XWPFParagraph> paras;  
        while (iterator.hasNext()) {  
            table = iterator.next();  
            rows = table.getRows();  
            for (XWPFTableRow row : rows) {  
                cells = row.getTableCells();  
                for (XWPFTableCell cell : cells) {  
                    paras = cell.getParagraphs();  
                    for (XWPFParagraph para : paras) {  
                        this.replaceInPara(para, params);  
                    }  
                }  
            }  
        }  
    }  
  
    /** 
     * 正则匹配字符串 
     * 
     * @param str 
     * @return 
     */  
    private Matcher matcher(String str) {  
        Pattern pattern = Pattern.compile("\\$\\{(.+?)\\}", Pattern.CASE_INSENSITIVE);  
        Matcher matcher = pattern.matcher(str);  
        return matcher;  
    }  
  
    /** 
     * 关闭输入流 
     * 
     * @param is 
     */  
    public void close(InputStream is) {  
        if (is != null) {  
            try {  
                is.close();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
    }  
  
    /** 
     * 关闭输出流 
     * 
     * @param os 
     */  
    public void close(OutputStream os) {  
        if (os != null) {  
            try {  
                os.close();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
    }  
  
}  

package util;

import org.apache.poi.xwpf.usermodel.*;
import org.junit.Test;

import java.io.*;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class XwpfTUtil {

/*String filePath = "/sta.docx";
InputStream is;
XWPFDocument doc;
Map<String, Object> params = new HashMap<String, Object>();

{
params.put("${name}", "xxx");
params.put("${sex}", "男");
params.put("${political}", "共青团员");
params.put("${place}", "sssss");
params.put("${classes}", "3102");
params.put("${id}", "213123123");
params.put("${qq}", "213123");
params.put("${tel}", "312313213");
params.put("${oldJob}", "sadasd");
params.put("${swap}", "是");
params.put("${first}", "asdasd");
params.put("${second}", "综合事务部");
params.put("${award}", "asda");
params.put("${achievement}", "完成科协网站的开发");
params.put("${advice}", "没有建议");
params.put("${attach}", "无");

try {
is = new FileInputStream(filePath);
doc = new XWPFDocument(is);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

}*/

/**
* 用一个docx文档作为模板,然后替换其中的内容,再写入目标文档中。
*
* @throws Exception
*/
/*@Test
public void testTemplateWrite() throws Exception {
//替换段落里面的变量
this.replaceInPara(doc, params);
//替换表格里面的变量
this.replaceInTable(doc, params);
OutputStream os = new FileOutputStream("D:\\sta1.docx");
doc.write(os);
this.close(os);
this.close(is);
}*/

/*@Test
public void myTest1() throws Exception {
*//*Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator();
XWPFParagraph para;
while (iterator.hasNext()) {
para = iterator.next();
List<XWPFRun> runs = para.getRuns();
para.removeRun(0);
para.insertNewRun(0).setText("hello");
}

OutputStream os = new FileOutputStream("D:\\sta1.docx");
doc.write(os);
this.close(os);
this.close(is);*//*

System.out.println(this.matcher("报告日期:${reportDate}").find());

}*/

/*@Test
public void myReplaceInPara() {
//        Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator();
//        XWPFParagraph para;
//        while (iterator.hasNext()) {
//            para = iterator.next();
//            List<XWPFRun> runs = para.getRuns();
//
//
//        }

System.out.println('{'=='{');

}*/

/**
* 替换段落里面的变量
*
* @param doc    要替换的文档
* @param params 参数
*/
public void replaceInPara(XWPFDocument doc, Map<String, Object> params) {
Iterator<XWPFParagraph> iterator = doc.getParagraphsIterator();
XWPFParagraph para;
while (iterator.hasNext()) {
para = iterator.next();
this.replaceInPara(para, params);
}
}

/**
* 替换段落里面的变量
*
* @param para   要替换的段落
* @param params 参数
*/
public void replaceInPara(XWPFParagraph para, Map<String, Object> params) {
List<XWPFRun> runs;
Matcher matcher;
if (this.matcher(para.getParagraphText()).find()) {
runs = para.getRuns();

int start = -1;
int end = -1;
String str = "";
for (int i = 0; i < runs.size(); i++) {
XWPFRun run = runs.get(i);
String runText = run.toString();
System.out.println("------>>>>>>>>>" + runText);
if ('$' == runText.charAt(0)&&'{' == runText.charAt(1)) {
start = i;
}
if ((start != -1)) {
str += runText;
}
if ('}' == runText.charAt(runText.length() - 1)) {
if (start != -1) {
end = i;
break;
}
}
}
System.out.println("start--->"+start);
System.out.println("end--->"+end);

System.out.println("str---->>>" + str);

for (int i = start; i <= end; i++) {
para.removeRun(i);
i--;
end--;
System.out.println("remove i="+i);
}

for (String key : params.keySet()) {
if (str.equals(key)) {
para.createRun().setText((String) params.get(key));
break;
}
}

}
}

/**
* 替换表格里面的变量
*
* @param doc    要替换的文档
* @param params 参数
*/
public void replaceInTable(XWPFDocument doc, Map<String, Object> params) {
Iterator<XWPFTable> iterator = doc.getTablesIterator();
XWPFTable table;
List<XWPFTableRow> rows;
List<XWPFTableCell> cells;
List<XWPFParagraph> paras;
while (iterator.hasNext()) {
table = iterator.next();
rows = table.getRows();
for (XWPFTableRow row : rows) {
cells = row.getTableCells();
for (XWPFTableCell cell : cells) {
paras = cell.getParagraphs();
for (XWPFParagraph para : paras) {
this.replaceInPara(para, params);
}
}
}
}
}

/**
* 正则匹配字符串
*
* @param str
* @return
*/
private Matcher matcher(String str) {
Pattern pattern = Pattern.compile("\\$\\{(.+?)\\}", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(str);
return matcher;
}

/**
* 关闭输入流
*
* @param is
*/
public void close(InputStream is) {
if (is != null) {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}

/**
* 关闭输出流
*
* @param os
*/
public void close(OutputStream os) {
if (os != null) {
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}

}


相比较原文,我这段代码只改了

public void replaceinPara(XWPFParagraph para,Map<String,Object> params>{}

这个函数的实现方式,当然,使用方式也变了,使用方法:

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@Action(value = "exportApplyForm")  
    public void exportApplyForm() throws Exception {  
  
        String id = request.getParameter("id");  
        applyForm = applyFormService.retriveById(id);  
  
        Map<String, Object> params = new HashMap<String, Object>();  
  
        params.put("${name}", applyForm.getName());  
        params.put("${sex}", applyForm.getSex());  
        params.put("${political}", applyForm.getPolitical());  
        params.put("${place}", applyForm.getPlace());  
        params.put("${classes}", applyForm.getClasses());  
        params.put("${id}", applyForm.getStudentId());  
        params.put("${qq}", applyForm.getQq());  
        params.put("${tel}", applyForm.getTel());  
        params.put("${oldJob}", applyForm.getOldJob());  
        params.put("${swap}", applyForm.getSwap());  
        params.put("${first}", applyForm.getFirst());  
        params.put("${second}", applyForm.getSecond());  
        params.put("${award}", applyForm.getAward());  
        params.put("${achievement}", applyForm.getAchievement());  
        params.put("${advice}", applyForm.getAdvice());  
        params.put("${attach}", applyForm.getAttach());  
  
        XwpfTUtil xwpfTUtil = new XwpfTUtil();  
  
        XWPFDocument doc;  
        String fileNameInResource = "sta.docx";  
        InputStream is;  
        /*is = new FileInputStream(filePath);*/  
        is = getClass().getClassLoader().getResourceAsStream(fileNameInResource);  
        doc = new XWPFDocument(is);  
  
        xwpfTUtil.replaceInPara(doc, params);  
        //替换表格里面的变量  
        xwpfTUtil.replaceInTable(doc, params);  
        OutputStream os = response.getOutputStream();  
  
        response.setContentType("application/vnd.ms-excel");  
        response.setHeader("Content-disposition","attachment;filename="+applyForm.getName()+".docx");  
  
        doc.write(os);  
  
        xwpfTUtil.close(os);  
        xwpfTUtil.close(is);  
  
        os.flush();  
        os.close();  
    }  

@Action(value = "exportApplyForm")
public void exportApplyForm() throws Exception {

String id = request.getParameter("id");
applyForm = applyFormService.retriveById(id);

Map<String, Object> params = new HashMap<String, Object>();

params.put("${name}", applyForm.getName());
params.put("${sex}", applyForm.getSex());
params.put("${political}", applyForm.getPolitical());
params.put("${place}", applyForm.getPlace());
params.put("${classes}", applyForm.getClasses());
params.put("${id}", applyForm.getStudentId());
params.put("${qq}", applyForm.getQq());
params.put("${tel}", applyForm.getTel());
params.put("${oldJob}", applyForm.getOldJob());
params.put("${swap}", applyForm.getSwap());
params.put("${first}", applyForm.getFirst());
params.put("${second}", applyForm.getSecond());
params.put("${award}", applyForm.getAward());
params.put("${achievement}", applyForm.getAchievement());
params.put("${advice}", applyForm.getAdvice());
params.put("${attach}", applyForm.getAttach());

XwpfTUtil xwpfTUtil = new XwpfTUtil();

XWPFDocument doc;
String fileNameInResource = "sta.docx";
InputStream is;
/*is = new FileInputStream(filePath);*/
is = getClass().getClassLoader().getResourceAsStream(fileNameInResource);
doc = new XWPFDocument(is);

xwpfTUtil.replaceInPara(doc, params);
//替换表格里面的变量
xwpfTUtil.replaceInTable(doc, params);
OutputStream os = response.getOutputStream();

response.setContentType("application/vnd.ms-excel");
response.setHeader("Content-disposition","attachment;filename="+applyForm.getName()+".docx");

doc.write(os);

xwpfTUtil.close(os);
xwpfTUtil.close(is);

os.flush();
os.close();
}


这个是word模板闻文件



从图片中可以看出,就是替换掉制定字符串的功能,最后将文件流输出到客户端浏览器供下载。

这里还需要导入poi依赖,我这里是使用maven导入依赖的:

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<!--导入操作excel所需要的jar包-->  
        <dependency>  
            <groupId>org.apache.poi</groupId>  
            <artifactId>  
                poi</artifactId>  
            <version>3.10-beta2</version>  
            <type>jar</type>  
            <scope>compile</scope>  
        </dependency>  
        <dependency>  
            <groupId>org.apache.poi</groupId>  
            <artifactId>poi-ooxml</artifactId>  
            <version>3.10-beta2</version>  
            <type>jar</type>  
        </dependency>  
        <dependency>  
            <groupId>org.apache.poi</groupId>  
            <artifactId>poi-ooxml-schemas</artifactId>  
            <version>3.10-beta2</version>  
            <type>jar</type>  
            <scope>compile</scope>  
        </dependency>  
        <dependency>  
            <groupId>org.apache.poi</groupId>  
            <artifactId>poi-scratchpad</artifactId>  
            <version>3.0.2-FINAL</version>  
        </dependency>  

<!--导入操作excel所需要的jar包-->
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>
poi</artifactId>
<version>3.10-beta2</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.10-beta2</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml-schemas</artifactId>
<version>3.10-beta2</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-scratchpad</artifactId>
<version>3.0.2-FINAL</version>
</dependency>
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